Effects of planting structure on soil water-stable aggregates, microbial biomass and enzyme activity in a catchment of Loess Plateau terraces, China

Xiao, Li; Huang, Yanqun; Zhao, Jidong; Zhou, Jishu; Abbas, Fakher

doi:10.1016/j.apsoil.2020.103819

Cited by 14 publications

(9 citation statements)

References 65 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…With the decrease in aggregate size, the contribution rate of aggregates to soil MBC decreased. This is consistent with the research results of Xiao et al (2021). The content of MBC was signi cantly positively correlated with the content of water-stable aggregates, and the MBC of macroaggregates is higher than that of microaggregates.…”

Section: Effects Of Betula Platyphylla Invasion On Soil Organic Carbo...supporting

confidence: 92%

Effects of Betula platyphylla invasion in North China on soil aggregate stability, soil organic carbon and active carbon composition of larch plantation

et al. 2023

Plant Soil

View full text Add to dashboard Cite

In order to better understand the changes in the potential carbon sequestration capacity of forest soil after the invasion of broad-leaved trees into pure larch plantations, the effects of broadleaf tree invasion on soil aggregate stability and carbon sequestration by soil organic carbon and active carbon components were studied. MethodsIn northern China, the pure Larix principis-rupprechtii plantations and the Larix principis-rupprechtii plantations invaded by Betula platyphylla at various degrees with the same site conditions were selected (Betula platyphylla had a mixed degree of 0.2 and 0.4, respectively). ANOVA, correlation analysis, principal component analysis and structural equation were conducted to interpret the relations between Betula platyphylla invasion and soil properties. ResultsThe distribution of soil macroaggregates (> 0.25 mm) increased with the increase in the mixed degree of Betula platyphylla. The mixture of Betula platyphylla could effectively increase the organic carbon and active carbon components of the original soil and soil aggregates of different diameter classes. The forest growth in this study area was mainly limited by nitrogen. The invasion of Betula platyphylla had an indirect impact on soil carbon sequestration by affecting the soil physical and chemical properties and the aggregate stability. ConclusionsThe invasion of Betula platyphylla had signi cant positive effects on soil aggregate stability, erosion resistance and soil nutrient status in Larix principis-rupprechtii plantation. The coniferous and broad-leaved mixture was a good strategy to increase the soil quality and soil organic carbon sequestration of the Larix principis-rupprechtii plantation in this area.

show abstract

Section: Effects Of Betula Platyphylla Invasion On Soil Organic Carbo...supporting

confidence: 92%

Effects of Betula platyphylla invasion in North China on soil aggregate stability, soil organic carbon and active carbon composition of larch plantation

et al. 2023

Plant Soil

View full text Add to dashboard Cite

show abstract

“…For instance, organic matter of macroaggregates is more stable and shows higher concentrations than microaggregates ( Cambardella and Elliott, 1993 ). The changing proportion of macroaggregates and microaggregates in agricultural fields could alter soil biological activity and nutrient retention ( Xiao et al, 2021 ).…”

Section: Discussionmentioning

confidence: 99%

“…Regarding ecosystem functions, intercropping can influence the cycling of key nutrients by increasing soil enzyme activity and microbial biomass ( Curtright and Tiemann, 2021 ). For instance, the invertase, urease, and microbial biomass carbon contents are notably higher in the Solanum tuberosum/Malus domestica intercropping systems in terraces ( Xiao et al, 2021 ). Dehydrogenase activity and microbial biomass carbon in smallholder farms could be elevated by potato/legume intercropping systems ( Nyawade et al, 2019b ).…”

Section: Introductionmentioning

confidence: 99%

Intercropping enhances microbial community diversity and ecosystem functioning in maize fields

et al. 2023

View full text Add to dashboard Cite

Background and aims:Intercropping, a widely used planting pattern, could affect soil physicochemical properties, microbial community diversity, and further crop yields. However, its impacts on soil microbial diversity and ecosystem functioning and further soil sustainability are poorly understood.Methods:We conducted field experiments by intercropping maize with four important crops (i.e., sesame, peanut, soybean, and sweet potato), and examined soil microbial community diversity and ecosystem functioning such as microbial biomass and enzyme activities under monocropping and intercropping. We quantified their intercropping effects on microbial diversity and ecosystem functions with effect size metric Cohen d by comparing to the monocropping of maize.Results:We found that the four intercropping systems significantly increased soil aggregates in respective of the 2–0.25 mm grain size. Intercropping consistently elevated ecosystem functioning, such as soil enzyme activities of urease, phosphatase, and catalase, soil microbial biomass carbon and soil microbial biomass nitrogen. The Cohen d of bacterial richness also increased from 0.39 to 2.36, the latter of which was significant for maize/peanut intercropping. Notably, these ecosystem functions were strongly associated with the diversity of bacteria and fungi and the relative abundance of their ecological clusters identified with network analysis.Conclusion:Together, our findings indicate that intercropping generally affected soil physicochemical properties, ecosystem functions, and promoted microbial community diversity. More importantly, our findings highlight the important roles of microbial diversity of ecological clusters (that is, network modules) in maintaining ecosystem functioning after intercropping. These results will help to better understand the microbial diversity and ecosystem function in intercropping systems and guide agricultural practice.

show abstract

“…Untuk itu diperlukan teknologi ramah lingkungan agar peruntukan lahan pertanian yang berlereng curam dapat lestari melalui pengolahan konservasi tanah berupa pembuatan teras sering. Menurut (Xiao et al, 2021), Teras berfungsi untuk memperpendek panjang lereng dan mengurangi laju aliran air permukaan, sehingga meningkatkan peresapan air.…”

Section: Lerengunclassified

Perencanaan Penggunaan Lahan Untuk Mempertahankan Pangan Daerah

et al. 2022

View full text Add to dashboard Cite

Pertambahan penduduk sejatinya harus juga dibarengi dengan pertambahan jumlah produksi untuk menjaga agar kebutuhan pangan masyarakat tetap terjaga. Penelitian ini dilaksanakan dengan maksud untuk mengevaluasi kesesuaian lahan serta menentukan alternatif perencanaan penggunaan lahan untuk pengembangan tanaman jagung, ubi kayu dan kacang tanah di Kecamatan Poleang Timur. Penelitian ini menggunakan metode survei bebas didasarkan pada unit lahan. Prosedur pelaksanaan survei tanah dilaksanakan dalam beberapa tahap meliputi tahap persiapan, tahap operasi lapangan dan tahap analisis sampel di laboratorium. Perencanaan penggunaan lahan dilakukan berdasarkan evaluasi kemampuan lahan dan besarnya bahaya erosi. Hasil penelitian menunjukkan bahwa pengembangan tanaman pangan di Kecamatan Poleang Timur Kabupaten Bombana sesuai untuk dikembangkan khususnya jagung seluas 5271,29 ha (78,04%), ubi kayu seluas 4872,34 ha (72,14%) dan kacang tanah seluas 5020,77 ha (74,33%). Alternatif arahan pengelolaan lahan untuk pengembangan tanaman pangan khususnya jagung, ubi kayu dan kacang tanah di Kecamatan Poleang Timur Kabupaten Bombana dilakukan pada tingkat sedang berupa pemupukan untuk faktor penghambat ketersediaan hara, penambahan bahan organik dan pengapuran untuk perbaikan faktor penghambat retensi hara, bahaya erosi diatasi dengan usaha konservasi tanah seperti penanaman sesuai kontur, pembuatan teras dan penanaman tanaman penutup tanah, pembuatan saluran irigasi/pengairan untuk penghambat ketersediaan air. Diharapkan dengan adanya penelitian ini mampu memberikan sumbangsih pemikiran dan sebagai bahan pertimbangan untuk pemerintah daerah setempat dalam hal penyusunan kebijakan serta untuk masyarakat dalam usaha pengembangan tanaman pangan.

show abstract

Effects of planting structure on soil water-stable aggregates, microbial biomass and enzyme activity in a catchment of Loess Plateau terraces, China

Cited by 14 publications

References 65 publications

Effects of Betula platyphylla invasion in North China on soil aggregate stability, soil organic carbon and active carbon composition of larch plantation

Effects of Betula platyphylla invasion in North China on soil aggregate stability, soil organic carbon and active carbon composition of larch plantation

Intercropping enhances microbial community diversity and ecosystem functioning in maize fields

Perencanaan Penggunaan Lahan Untuk Mempertahankan Pangan Daerah

Contact Info

Product

Resources

About